schusteri Steyskal
Euxesta schusteri Steyskal, 1966: 491 . Steyskal 1968: 19 [catalogue]; Linsley 1977: 40 [checklist]; Arnaud 1979: 326 [type catalogue].
Euxesta nitidiventris of authors (misidentification): Coquillett 1901: 376 [records]; Curran 1934: 156 [records]; Linsley & Usinger 1966: 168 [checklist].
Distribution. Endemic. Galápagos: Floreana, Isabela, Santa Cruz, Santiago (ICCDRS).